./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13160766ab5e643bd08f9724b40035ea4b7373673380c24ecb20b0478591b2b8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:02:06,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:06,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:06,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:06,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:06,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:06,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:06,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:06,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:06,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:06,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:06,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:06,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:06,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:06,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:06,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:06,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:06,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:06,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:06,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:06,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:06,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:06,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:06,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:06,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:06,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:06,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:06,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:06,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:06,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:06,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:06,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:06,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:06,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:06,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:06,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:06,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:06,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:06,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:06,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:06,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:06,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:02:06,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:06,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:06,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:06,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:06,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:06,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:06,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:06,225 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:06,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:06,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:06,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:06,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:06,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:06,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:06,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:06,228 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:02:06,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:06,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:06,229 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:06,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:06,229 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:06,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:06,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:06,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:06,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:06,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:06,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:06,231 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:06,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:06,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:06,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13160766ab5e643bd08f9724b40035ea4b7373673380c24ecb20b0478591b2b8 [2022-10-17 17:02:06,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:06,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:06,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:06,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:06,518 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:06,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/sum_non.c [2022-10-17 17:02:06,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/data/39ff58727/205c78da59824e7c9da086653c308de8/FLAG9de04489e [2022-10-17 17:02:06,985 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:06,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/sv-benchmarks/c/recursive-simple/sum_non.c [2022-10-17 17:02:06,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/data/39ff58727/205c78da59824e7c9da086653c308de8/FLAG9de04489e [2022-10-17 17:02:07,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/data/39ff58727/205c78da59824e7c9da086653c308de8 [2022-10-17 17:02:07,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:07,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:07,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:07,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:07,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:07,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5e0c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07, skipping insertion in model container [2022-10-17 17:02:07,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:07,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:07,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/sv-benchmarks/c/recursive-simple/sum_non.c[561,574] [2022-10-17 17:02:07,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:07,641 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:07,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/sv-benchmarks/c/recursive-simple/sum_non.c[561,574] [2022-10-17 17:02:07,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:07,670 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:07,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07 WrapperNode [2022-10-17 17:02:07,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:07,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:07,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:07,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:07,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,711 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-10-17 17:02:07,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:07,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:07,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:07,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:07,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:07,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:07,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:07,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:07,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:07,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:07,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-17 17:02:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-17 17:02:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:07,912 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:07,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:08,036 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:08,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:08,066 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:02:08,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:08 BoogieIcfgContainer [2022-10-17 17:02:08,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:08,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:08,070 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:08,080 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:08,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-10-17 17:02:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-10-17 17:02:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:08,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 32 transitions. [2022-10-17 17:02:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-10-17 17:02:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:08,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 37 transitions. [2022-10-17 17:02:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-10-17 17:02:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:09,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:09,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:09,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:09,186 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-10-17 17:02:09,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:09 ImpRootNode [2022-10-17 17:02:09,212 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:09,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:09,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:09,213 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:09,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:08" (3/4) ... [2022-10-17 17:02:09,215 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:02:09,251 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:09,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:09,253 INFO L158 Benchmark]: Toolchain (without parser) took 1831.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.5MB in the beginning and 60.3MB in the end (delta: -807.5kB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,253 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:09,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 60.2MB in the end (delta: -969.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.97ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,255 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 57.8MB in the end (delta: 944.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,256 INFO L158 Benchmark]: RCFGBuilder took 316.46ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,257 INFO L158 Benchmark]: CodeCheck took 1142.74ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 61.8MB in the end (delta: -15.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,257 INFO L158 Benchmark]: Witness Printer took 38.86ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 60.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:09,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 18 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 8]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int a = __VERIFIER_nondet_int(); [L16] int b = __VERIFIER_nondet_int(); [L17] CALL sum(a, b) VAL [\old(m)=-2147483648, \old(n)=-1] [L7] COND TRUE n <= 0 VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L8] m + n VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 60.2MB in the end (delta: -969.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.97ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 57.8MB in the end (delta: 944.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.46ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1142.74ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 61.8MB in the end (delta: -15.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 38.86ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 60.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:02:09,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f7cc81e-3baa-45f1-9eec-2cd6ba233c1c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)